As a professor at the Woodstock College in the city of Maryland, John Courtney Murray taught Trinitarian theology. Murray edited the studies in theology, was considered to the prominent journal of the Jesuit theology and was regarded as a key American Catholic theologian. In the year 1954 he was told to immediately stop his writings on religious freedom and church-state issues.
             As a result, there was a visible hard exchange among the traditional churches both in the Vatican and in the United States. The members of the Roman Curia felt that this kind of religious liberty was not tolerable and as a result of which he had to attend the Vatican council's session. Murray served as an expert on the religious freedom and he was responsible for drafting and influencing the large amount of data coming out from the Vatican council.(Hooper 3)
             In St. Peter's Basilica in the city of Rome, on October 11, 1962 the second council of Vatican was held. In his opening speech, Pope John XXIII addressed about 2,000 bishops who came from across the world. The council was made up of 2,860 bishops - both European and non-European. John XXIII died after the first session and Paul VI who as his successor continued to work for the council and worked for the concluding three sessions which were in the year 1963-1965. (Bromley 1)
             The preference for defining Church as the people of God was the most significant symbolic modification made by the council. There were several structural changes which were made including the requirements of the councils of bishop. Among the other tasks these served as an appropriate measure to ensure the changes in the tradition of Church according to the local climate and issuance of encyclicals to the national bishops. The council produces 16 documents.
            
             In the public of the Americas Murray emerged as a leading figure before the
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